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999 _c62946
_d62946
005 20220922100902.0
008 180710s9999 xx 000 0 und d
020 _a114450
041 _aEN
082 _a574.52
_bENV
_223
245 _aENVIRONMENTAL management of fresh water ecology /
_cedited by P.R. Trivedi, Gurdeep Raj
260 _aNew Delhi
_bAkashdeep pub.
_c1992
300 _a336 p.
509 _aNS
700 _9141565
_aTrivedi, P.R.
_eedt
700 _9141566
_aRaj, Gurdeep.
_eedt
942 _cR